Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7665295 | Method for operating an internal combustion engine and device for implementing the method | Andreas Pfaeffle, Johannes Schaller, Wolfram Veigel, Rudi Drefs, Viktor Pauli +1 more | 2010-02-23 |
| 7059118 | Mixing device for an exhaust gas purification system | Wolfgang Ripper, Bernd Mahr, Johannes Schaller, Thomas Prasser | 2006-06-13 |